#define BLYNK_TEMPLATE_ID "TMPL3GT29u5oh"
#define BLYNK_TEMPLATE_NAME "Door lock"
#define BLYNK_AUTH_TOKEN "s74K2rPheDYVeMRZ0Dth6xsWJVmK0s33" 
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>


char auth[] = "s74K2rPheDYVeMRZ0Dth6xsWJVmK0s33";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

const int relayPin = 2; 
const int LED = GND;

#define LOCKED LOW
#define UNLOCKED HIGH

BlynkTimer timer;

void setup() {
  Serial.begin(115200);

  pinMode(relayPin, OUTPUT);
  pinMode(LED, OUTPUT);

  digitalWrite(relayPin, LOCKED); 

  Blynk.begin(auth, ssid, pass);
}

void loop() {
  Blynk.run();
  timer.run();
}

BLYNK_WRITE(V0) { 
  int lockValue = param.asInt();
  if (lockValue == 1) {
    unlockDoor();
  } else {
    lockDoor();
  }
}

void lockDoor() {
  Serial.println("Locking door...");
  digitalWrite(relayPin, LOCKED);
  Serial.println("Door locked");
}

void unlockDoor() {
  Serial.println("Unlocking door...");
  digitalWrite(relayPin, UNLOCKED);
  delay(1000); 
  digitalWrite(relayPin, LOCKED);
  Serial.println("Door unlocked");
}